paysages: Qt GUI (WIP)
git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@204 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
This commit is contained in:
ThunderK
parent
cb5b7d527a
commit
199f306226
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@ -1,13 +1,47 @@
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#include "preview.h"
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#include "formwater.h"
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#include "ui_formwater.h"
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#include <QColor>
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#include "../lib_paysages/water.h"
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#include "../lib_paysages/shared/functions.h"
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class PreviewCoverage:private Preview
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{
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public:
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PreviewCoverage(QWidget* parent):
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Preview(parent)
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{
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}
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protected:
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QColor getColor(double x, double y)
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{
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double height;
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height = terrainGetHeight(x, y);
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if (height > 0.0)
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{
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height = terrainGetHeightNormalized(x, y);
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return QColor((int)(255.0 * height), (int)(255.0 * height), (int)(255.0 * height));
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}
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else
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{
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return QColor(0, 0, 255);
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}
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}
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};
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FormWater::FormWater(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::FormWater)
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{
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PreviewCoverage* previewCoverage;
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ui->setupUi(this);
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this->findChild<QToolBox*>("water_configs")->setCurrentIndex(0);
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previewCoverage = new PreviewCoverage(this->findChild<QWidget*>("water_preview_coverage"));
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}
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FormWater::~FormWater()
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@ -1,5 +1,6 @@
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#include <QApplication>
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#include "mainwindow.h"
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#include "preview.h"
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#include "../lib_paysages/shared/functions.h"
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@ -12,5 +13,7 @@ int main(int argc, char** argv)
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window.show();
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Preview::startUpdater();
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return app.exec();
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}
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@ -13,9 +13,11 @@ LIBS += -L../lib_paysages/ -lpaysages
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# Input
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HEADERS += ../lib_paysages/shared/functions.h ../lib_paysages/shared/types.h \
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mainwindow.h \
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formwater.h
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formwater.h \
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preview.h
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FORMS += mainwindow.ui \
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formwater.ui
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SOURCES += main.cc \
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mainwindow.cpp \
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formwater.cpp
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formwater.cpp \
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preview.cpp
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378
gui_qt/preview.cpp
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378
gui_qt/preview.cpp
Normal file
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@ -0,0 +1,378 @@
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#include "preview.h"
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#include <QVector>
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#include <QPainter>
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#include <QThread>
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#include <QTimer>
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static QVector<Preview*> _previews;
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class PreviewDrawer:public QThread
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{
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public:
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PreviewDrawer()
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{
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}
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protected:
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void run()
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{
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QVectorIterator<Preview*> iter(_previews);
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while (true)
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{
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while (iter.hasNext())
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{
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iter.next()->doRender();
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}
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QThread::usleep(50000);
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}
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}
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};
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Preview::Preview(QWidget* parent) :
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QWidget(parent)
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{
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_previews.append(this);
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this->lock = new QMutex();
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this->conf_scroll_xmin = 0.0;
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this->conf_scroll_xmax = 0.0;
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this->conf_scroll_ymin = 0.0;
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this->conf_scroll_ymax = 0.0;
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this->conf_scale_min = 1.0;
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this->conf_scale_max = 1.0;
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this->conf_scale_step = 0.0;
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this->scaling = 1.0;
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this->xoffset = 0.0;
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this->yoffset = 0.0;
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this->pixbuf = new QImage(this->size(), QImage::Format_ARGB32);
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this->need_rerender = 0;
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this->need_render = 0;
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this->resize(parent->size());
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}
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void Preview::startUpdater()
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{
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(new PreviewDrawer())->start();
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}
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void Preview::doRender()
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{
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if (this->need_rerender)
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{
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this->forceRender();
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}
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if (this->need_render)
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{
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this->need_render = 0;
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this->renderPixbuf();
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}
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}
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void Preview::resizeEvent(QResizeEvent* event)
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{
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QImage* image;
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this->lock->lock();
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image = this->pixbuf;
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this->pixbuf = new QImage(this->size(), QImage::Format_ARGB32);
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delete image;
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this->lock->unlock();
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this->forceRender();
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}
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void Preview::paintEvent(QPaintEvent* event)
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{
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QPainter painter(this);
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painter.drawImage(0, 0, *this->pixbuf);
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}
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void Preview::forceRender()
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{
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this->lock->lock();
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this->pixbuf->fill(0x00000000);
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this->need_rerender = 0;
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this->need_render = 1;
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this->lock->unlock();
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}
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void Preview::renderPixbuf()
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{
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QColor col;
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bool done;
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int x, y, w, h;
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w = this->pixbuf->width();
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h = this->pixbuf->height();
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for (x = 0; x < w; x++)
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{
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this->lock->lock();
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if (this->need_rerender)
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{
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this->lock->unlock();
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break;
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}
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done = false;
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for (y = 0; y < h; y++)
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{
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if (qAlpha(this->pixbuf->pixel(x, y)) == 0)
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{
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col = this->getColor((double)(x - w / 2) * this->scaling + this->xoffset, (double)(y - h / 2) * this->scaling + this->yoffset);
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this->pixbuf->setPixel(x, y, col.rgb());
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done = true;
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}
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}
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if (done)
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{
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this->update();
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}
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this->lock->unlock();
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}
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}
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//static void _scrollPixbuf(SmallPreview* preview, int dx, int dy)
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//{
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// int xstart, ystart, xsize, ysize, y;
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// void* pixels = gdk_pixbuf_get_pixels(preview->pixbuf);
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// int rowstride = gdk_pixbuf_get_rowstride(preview->pixbuf);
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// preview->xoffset -= (double)dx * preview->scaling;
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// preview->yoffset -= (double)dy * preview->scaling;
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// /* TODO Use pixbuf size */
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// if (dx == 0 && dy == 0)
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// {
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// return;
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// }
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// else if (dx <= -256 || dx >= 256 || dy <= -256 || dy >= 256)
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// {
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// _forceRender(preview);
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// }
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// else
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// {
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// if (dx < 0)
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// {
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// xstart = -dx;
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// xsize = 256 + dx;
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// }
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// else
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// {
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// xstart = 0;
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// xsize = 256 - dx;
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// }
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// if (dy < 0)
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// {
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// ystart = -dy;
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// ysize = 256 + dy;
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// }
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// else
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// {
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// ystart = 0;
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// ysize = 256 - dy;
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// }
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// memmove(pixels + (ystart + dy) * rowstride + (xstart + dx) * 4, pixels + ystart * rowstride + xstart * 4, (ysize - 1) * rowstride + xsize * 4);
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// if (dy < 0)
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// {
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// memset(pixels + (256 + dy) * rowstride, 0, (-dy - 1) * rowstride + 256 * 4);
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// }
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// else if (dy > 0)
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// {
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// memset(pixels, 0, (dy - 1) * rowstride + 256 * 4);
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// }
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// if (dx < 0)
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// {
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// for (y = ystart + dy; y < ystart + dy + ysize; y++)
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// {
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// memset(pixels + y * rowstride + xsize * 4, 0, -dx * 4);
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// }
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// }
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// else if (dx > 0)
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// {
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// for (y = ystart + dy; y < ystart + dy + ysize; y++)
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// {
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// memset(pixels + y * rowstride, 0, dx * 4);
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// }
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// }
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// preview->need_render = 1;
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// }
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//}
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//static inline int _fixScroll(SmallPreview* preview, int dx, int dy, int* new_dx, int* new_dy)
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//{
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// *new_dx = dx;
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// *new_dy = dy;
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// if (preview->xoffset - dx * preview->scaling > preview->conf_scroll_xmax)
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// {
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// *new_dx = (int)floor((preview->conf_scroll_xmax - preview->xoffset) / preview->scaling);
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// }
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// if (preview->xoffset - dx * preview->scaling < preview->conf_scroll_xmin)
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// {
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// *new_dx = (int)floor((preview->conf_scroll_xmin - preview->xoffset) / preview->scaling);
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// }
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// if (preview->yoffset - dy * preview->scaling > preview->conf_scroll_ymax)
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// {
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// *new_dy = (int)floor((preview->conf_scroll_ymax - preview->yoffset) / preview->scaling);
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// }
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// if (preview->yoffset - dy * preview->scaling < preview->conf_scroll_ymin)
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// {
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// *new_dy = (int)floor((preview->conf_scroll_ymin - preview->yoffset) / preview->scaling);
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// }
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// return (*new_dx == 0 && *new_dy == 0) ? 0 : 1;
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//}
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//static inline int _fixScaling(SmallPreview* preview, double scaling, double* new_scaling)
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//{
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// double old_scaling = preview->scaling;
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// *new_scaling = scaling;
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// if (scaling < preview->conf_scale_min)
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// {
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// *new_scaling = preview->conf_scale_min;
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// }
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// if (scaling > preview->conf_scale_max)
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// {
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// *new_scaling = preview->conf_scale_max;
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// }
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// return (old_scaling == *new_scaling) ? 0 : 1;
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//}
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//static int _cbMouseScroll(GtkEventBox* image, GdkEventScroll* event, gpointer data)
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//{
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// SmallPreview* preview = (SmallPreview*)data;
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// /* TODO Center the zoom on the cursor */
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// if (event->direction == GDK_SCROLL_UP)
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// {
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// mutexAcquire(preview->lock);
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// if (_fixScaling(preview, preview->scaling - preview->conf_scale_step, &preview->scaling))
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// {
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// preview->need_rerender = 1;
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// }
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// mutexRelease(preview->lock);
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// }
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// else if (event->direction == GDK_SCROLL_DOWN)
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// {
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// mutexAcquire(preview->lock);
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// if (_fixScaling(preview, preview->scaling + preview->conf_scale_step, &preview->scaling))
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// {
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// preview->need_rerender = 1;
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// }
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// mutexRelease(preview->lock);
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// }
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// return 1;
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//}
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//static int _cbMouseButtonPressed(GtkEventBox* image, GdkEventButton* event, gpointer data)
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//{
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// SmallPreview* preview = (SmallPreview*)data;
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// if (event->button == 1)
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// {
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// preview->mousex = (int)event->x;
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// preview->mousey = (int)event->y;
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// }
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// return 1;
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//}
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//static int _cbMouseMove(GtkEventBox* image, GdkEventMotion* event, gpointer data)
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//{
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// SmallPreview* preview = (SmallPreview*)data;
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// int dx, dy;
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// if (event->state & GDK_BUTTON1_MASK)
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// {
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// mutexAcquire(preview->lock);
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// dx = (int)event->x - preview->mousex;
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// dy = (int)event->y - preview->mousey;
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// if (_fixScroll(preview, dx, dy, &dx, &dy))
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// {
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// _scrollPixbuf(preview, dx, dy);
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// }
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// preview->mousex = (int)event->x;
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// preview->mousey = (int)event->y;
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// mutexRelease(preview->lock);
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// }
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// return 1;
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//}
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//void guiPreviewRedraw(SmallPreview* preview)
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//{
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// mutexAcquire(preview->lock);
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// preview->need_rerender = 1;
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// mutexRelease(preview->lock);
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//}
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//void guiPreviewRedrawAll()
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//{
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// int i;
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// for (i = 0; i < _previews_count; i++)
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// {
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// guiPreviewRedraw(_preview + i);
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// }
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//}
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//void guiPreviewConfigScrolling(SmallPreview* preview, double xmin, double xmax, double ymin, double ymax)
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//{
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// mutexAcquire(preview->lock);
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// preview->conf_scroll_xmin = xmin;
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// preview->conf_scroll_xmax = xmax;
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// preview->conf_scroll_ymin = ymin;
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// preview->conf_scroll_ymax = ymax;
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// preview->need_rerender = 1;
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// mutexRelease(preview->lock);
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//}
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//void guiPreviewConfigScaling(SmallPreview* preview, double min, double max, double step)
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//{
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// mutexAcquire(preview->lock);
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// preview->conf_scale_min = min;
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// preview->conf_scale_max = max;
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// preview->conf_scale_step = step;
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// preview->need_rerender = 1;
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// mutexRelease(preview->lock);
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//}
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//void guiPreviewSetRenderer(SmallPreview* preview, SmallPreviewCallback renderer)
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//{
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// mutexAcquire(preview->lock);
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// preview->renderer = renderer;
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// preview->need_rerender = 1;
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// mutexRelease(preview->lock);
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//}
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//void guiPreviewSetViewport(SmallPreview* preview, double xoffset, double yoffset, double scaling)
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//{
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// mutexAcquire(preview->lock);
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// preview->xoffset = xoffset;
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// preview->yoffset = yoffset;
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// preview->scaling = scaling;
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// preview->need_rerender = 1;
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// mutexRelease(preview->lock);
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//}
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//void guiPreviewSetTerrainHeight(SmallPreview* preview)
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//{
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// /*preview->conf_scroll_x = 1;
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// preview->conf_scroll_y = 1;
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// preview->conf_zoom = 1;
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// preview->init_scaling = preview->scaling = 0.1;
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// preview->init_xoffset = preview->xoffset = 0.0;
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// preview->init_yoffset = preview->yoffset = 0.0;
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// preview->renderer = _renderTopDownHeight;*/
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// guiPreviewRedraw(preview);
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//}
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48
gui_qt/preview.h
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48
gui_qt/preview.h
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@ -0,0 +1,48 @@
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#ifndef PREVIEW_H
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#define PREVIEW_H
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#include <QMutex>
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#include <QImage>
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#include <QWidget>
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class Preview:public QWidget
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{
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public:
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Preview(QWidget* parent);
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static void startUpdater();
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void doRender();
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protected:
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void resizeEvent(QResizeEvent* event);
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void paintEvent(QPaintEvent* event);
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virtual QColor getColor(double x, double y) = 0;
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private:
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void renderPixbuf();
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void forceRender();
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double conf_scroll_xmin;
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double conf_scroll_xmax;
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double conf_scroll_ymin;
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double conf_scroll_ymax;
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double conf_scale_min;
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double conf_scale_max;
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double conf_scale_step;
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double xoffset;
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double yoffset;
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double scaling;
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QMutex* lock;
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QImage* pixbuf;
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int mousex;
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int mousey;
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int need_rerender;
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int need_render;
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//SmallPreviewCallback renderer;
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};
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#endif // PREVIEW_H
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Loading…
Reference in a new issue